
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
import * as zrUtil from 'zrender/lib/core/util.js'; // import AngleAxis from './AngleAxis.js';

function dataToCoordSize(dataSize, dataItem) {
	// dataItem is necessary in log axis.
	dataItem = dataItem || [0, 0];
	return zrUtil.map(['Radius', 'Angle'], function (dim, dimIdx) {
		var getterName = 'get' + dim + 'Axis'; // TODO: TYPE Check Angle Axis

		var axis = this[getterName]();
		var val = dataItem[dimIdx];
		var halfSize = dataSize[dimIdx] / 2;
		var result = axis.type === 'category' ? axis.getBandWidth() : Math.abs(axis.dataToCoord(val - halfSize) - axis.dataToCoord(val + halfSize));

		if (dim === 'Angle') {
			result = result * Math.PI / 180;
		}

		return result;
	}, this);
}

export default function polarPrepareCustom(coordSys) {
	var radiusAxis = coordSys.getRadiusAxis();
	var angleAxis = coordSys.getAngleAxis();
	var radius = radiusAxis.getExtent();
	radius[0] > radius[1] && radius.reverse();
	return {
		coordSys: {
			type: 'polar',
			cx: coordSys.cx,
			cy: coordSys.cy,
			r: radius[1],
			r0: radius[0]
		},
		api: {
			coord: function (data) {
				var radius = radiusAxis.dataToRadius(data[0]);
				var angle = angleAxis.dataToAngle(data[1]);
				var coord = coordSys.coordToPoint([radius, angle]);
				coord.push(radius, angle * Math.PI / 180);
				return coord;
			},
			size: zrUtil.bind(dataToCoordSize, coordSys)
		}
	};
}